Power calculation in SPICE

B

boki

Guest
Dear All,

I have a switched-capacitor circuit, and there are opamp turn on and
turn off between clocks, if I want to calculate the power consumption,
is this correct?

[ There are two nonoverlap clock phase_1 and phase_2]

1. Calculate total power in phase_1
2. Calculate total power in phase_2
3. Calculate average power between phase_1 and phase_2.

Correct?

Best regards,

Boki.
 
On 27 May 2004 20:45:38 -0700, boki wrote:

Dear All,

I have a switched-capacitor circuit, and there are opamp turn on and
turn off between clocks, if I want to calculate the power consumption,
is this correct?

[ There are two nonoverlap clock phase_1 and phase_2]

1. Calculate total power in phase_1
2. Calculate total power in phase_2
3. Calculate average power between phase_1 and phase_2.

Correct?

Best regards,

Boki.
Click to expand...
is der op ampen drawing power after halten of der phase_eins and/or
before der ersta part of der phase_zwei ?
--
Best Regards,
Mike
 
"boki" <bokiteam@ms21.hinet.net> wrote in message
news:4c3c095a.0405271945.2ad29054@posting.google.com...
Dear All,

I have a switched-capacitor circuit, and there are opamp turn on and
turn off between clocks, if I want to calculate the power consumption,
is this correct?

[ There are two nonoverlap clock phase_1 and phase_2]

1. Calculate total power in phase_1
2. Calculate total power in phase_2
3. Calculate average power between phase_1 and phase_2.

Correct?

Best regards,

Boki.
Click to expand...

Hi, Boki -

How about measuring the power from your power supply? To omit the op-amp
quiescent power, you could run it from a separate source.

John
 
Very difficult to understand, but I will do my best try.

The opamp will trun on in every clock phase_1(integrating phase) and turn
of in clock phase_2.

Regards,
Boki.


"Activ8" <reply2group@ndbbm.net> ???
news:66ptaogli6s3$.dlg@news.individual.net ???...
On 27 May 2004 20:45:38 -0700, boki wrote:

Dear All,

I have a switched-capacitor circuit, and there are opamp turn on and
turn off between clocks, if I want to calculate the power consumption,
is this correct?

[ There are two nonoverlap clock phase_1 and phase_2]

1. Calculate total power in phase_1
2. Calculate total power in phase_2
3. Calculate average power between phase_1 and phase_2.

Correct?

Best regards,

Boki.

is der op ampen drawing power after halten of der phase_eins and/or
before der ersta part of der phase_zwei ?
--
Best Regards,
Mike
Click to expand...
 
But it still works in different clock phase... @@ don't know... I will try.
Thanks.

Regards,

Boki.

"The other John Smith" <jocjo-john@yooha.com> ŚbślĽó
news:63Jtc.14577$be.13155@newsread2.news.pas.earthlink.net ¤¤źśźg...
"boki" <bokiteam@ms21.hinet.net> wrote in message
news:4c3c095a.0405271945.2ad29054@posting.google.com...
Dear All,

I have a switched-capacitor circuit, and there are opamp turn on and
turn off between clocks, if I want to calculate the power consumption,
is this correct?

[ There are two nonoverlap clock phase_1 and phase_2]

1. Calculate total power in phase_1
2. Calculate total power in phase_2
3. Calculate average power between phase_1 and phase_2.

Correct?

Best regards,

Boki.


Hi, Boki -

How about measuring the power from your power supply? To omit the op-amp
quiescent power, you could run it from a separate source.

John
Click to expand...
 
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